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- W576815311 abstract "People are usually directed towards each other in conversations, to make it easier to hear what is being said. Algorithms for voice and speech recognition works in a similar way, regarding the microphone direction towards the sound source. In this thesis in electronics has therefore a servo control with binaural sound localization been implemented on a microcontroller connected to two microphones.When people perceive sound, the brain can estimate the sound source direction by comparing the time taken by the sound reaching one ear to the other [1]. The difference in time is called the interaural time difference, and can be calculated using various techniques. An exploratory comparison between the techniques cross-correlation and cross-spectrum analysis was carried out before implementation. Advantages and disadvantages of each technique were evaluated at the same time.The result is a functioning servo control, that uses a cross correlation algorithm to calculate the interaural time difference, and controls a servo motor towards the sound source with a P-regulated error reduction method. The project was implemented on the microcontroller ATmega328P from Atmel without using floating point calculations.The thesis was carried out on behalf of the company Jetspark Robotics." @default.
- W576815311 created "2016-06-24" @default.
- W576815311 creator A5087359846 @default.
- W576815311 date "2015-01-01" @default.
- W576815311 modified "2023-09-27" @default.
- W576815311 title "Servostyrning med binaural ljudlokalisering" @default.
- W576815311 hasPublicationYear "2015" @default.
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